# #4bb9ec

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#4bb9ec`
- RGB: rgb(75, 185, 236)
- HSL: hsl(199, 81%, 61%)
- OKLCH: oklch(0.744 0.123 232)
- Relative luminance: 0.4225
- Nearest named color: Blue Bikini (#00bbee, Δ 2.333) — https://brandsweets.com/colors/blue-bikini
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4bb9ec

## Tints & shades

- Tints (toward white): #5dc0ee, #6bc6ef, #7ecdf1, #90d4f3, #a3dbf5, #b1e1f7, #c3e8f9, #d5effb, #e3f4fc, #f6fbfe
- Shades (toward black): #2faee9, #18a5e7, #1592cb, #127eaf, #106d98, #0d597d, #0a4561, #073245, #05212e, #020d12

## Harmonies

- Complementary: #ec7e4b
- Analogous: #4beccf, #4b69ec
- Triadic: #ec4bb9, #b9ec4b
- Split-complementary: #ec4b69, #eccf4b
- Tetradic: #cf4bec, #ec7e4b, #69ec4b

## Colors that go with #4bb9ec

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #4bb9ec: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #4bb9ec in 4 real palettes, including Blueprint and Salesforce's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Warp's brand system and Canva's brand system put Blue beside #4bb9ec, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #4bb9ec in 4 real palettes, including Learning App and Elastic's brand system, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co), PayPal (https://brandsweets.com/colors/brands/paypal-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4bb9ec: 7 real palettes, including Venmo's brand system and Coca-Cola's brand system, as the accent. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #4bb9ec: 4 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #4bb9ec, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Confluent (https://brandsweets.com/colors/brands/confluent-io), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Coral** #ff7f50 [harmony: complementary] — Coral sits directly opposite #4bb9ec on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/coral

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 2.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #127eaf (4.54:1); AA: background → #424242 (4.52:1); AAA: text → #0e5d81 (7.24:1); AAA: background → #212121 (7.25:1)
- On black (#000000): 9.45:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Blueprint** (technical, cool, modern, dark) — #38bdf8, #818cf8, #fbbf24, #0f172a, #e2e8f0 — Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'. — tool: https://brandsweets.com/palettes/new/38bdf8-818cf8-fbbf24-0f172a-e2e8f0 — collection: https://brandsweets.com/palettes/technical

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4bb9ec-9cb3c4-df4e66-1f232d-e9f1f0?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#4bb9ec" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.